Atheism is not a religion, it is just absence of belief in god and you do not need islam in order to live peacefully, infact fanatic islamist have created more terror in this world. peace is the quality of mind which when there is completely absense of beliefs as far as you belongs to so called...
first of all if god wanted us to return back to him then why the hell he sent us here at the first place? Is it because of his enjoyment? or Is it that we made sins when we were living with god before our birth so he got angry by seeing this offence and sent us here in this world. all the world...
there is no such thing as sin as an offence against humanity or god. no one does that but there is surely an act which is the outcome of ones ignorance. We are not sinful, we have many mistakes but it was due our ignorance , once we realizes this we stops doing further mistakes.